1161626244 has 24 divisors (see below), whose sum is σ = 2768131968. Its totient is φ = 378970080.

The previous prime is 1161626177. The next prime is 1161626267. The reversal of 1161626244 is 4426261611.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029247 + ... + 1030374.

It is an arithmetic number, because the mean of its divisors is an integer number (115338832).

Almost surely, 2^1161626244 is an apocalyptic number.

It is an amenable number.

1161626244 is an abundant number, since it is smaller than the sum of its proper divisors (1606505724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161626244 is a wasteful number, since it uses less digits than its factorization.

1161626244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059675 (or 2059673 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1161626244 is about 34082.6384542042. The cubic root of 1161626244 is about 1051.2083576212.

Adding to 1161626244 its reverse (4426261611), we get a palindrome (5587887855).

The spelling of 1161626244 in words is "one billion, one hundred sixty-one million, six hundred twenty-six thousand, two hundred forty-four".